| [9] | 1 | /*
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| 2 | * output-c - output support functions for cawf(1)
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| 3 | */
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| 4 |
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| 5 | /*
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| 6 | * Copyright (c) 1991 Purdue University Research Foundation,
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| 7 | * West Lafayette, Indiana 47907. All rights reserved.
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| 8 | *
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| 9 | * Written by Victor A. Abell <abe@mace.cc.purdue.edu>, Purdue
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| 10 | * University Computing Center. Not derived from licensed software;
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| 11 | * derived from awf(1) by Henry Spencer of the University of Toronto.
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| 12 | *
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| 13 | * Permission is granted to anyone to use this software for any
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| 14 | * purpose on any computer system, and to alter it and redistribute
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| 15 | * it freely, subject to the following restrictions:
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| 16 | *
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| 17 | * 1. The author is not responsible for any consequences of use of
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| 18 | * this software, even if they arise from flaws in it.
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| 19 | *
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| 20 | * 2. The origin of this software must not be misrepresented, either
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| 21 | * by explicit claim or by omission. Credits must appear in the
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| 22 | * documentation.
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| 23 | *
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| 24 | * 3. Altered versions must be plainly marked as such, and must not
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| 25 | * be misrepresented as being the original software. Credits must
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| 26 | * appear in the documentation.
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| 27 | *
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| 28 | * 4. This notice may not be removed or altered.
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| 29 | */
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| 30 |
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| 31 | #include "cawf.h"
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| 32 |
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| 33 |
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| 34 | /*
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| 35 | * LenprtHF(s, p, t) - get length of print header or footer with page number
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| 36 | * interpolation
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| 37 | */
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| 38 |
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| 39 | LenprtHF(s, p, t)
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| 40 | unsigned char *s; /* header/footer string */
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| 41 | int p; /* page number */
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| 42 | int t; /* type: 0 = get interpolated length
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| 43 | * 1 = print */
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| 44 | {
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| 45 | unsigned char buf[10]; /* buffer for page number */
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| 46 | int len; /* line length */
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| 47 | unsigned char *s1; /* temporary string pointer */
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| 48 |
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| 49 | if (s == NULL)
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| 50 | return(0);
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| 51 | for (len = 0; *s && *s != '%'; s++) {
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| 52 | len++;
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| 53 | if (t)
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| 54 | Charput((int)*s);
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| 55 | }
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| 56 | if (*s) {
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| 57 | (void) sprintf((char *)buf, "%d", p);
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| 58 | for (s1 = buf; *s1; s1++) {
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| 59 | len++;
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| 60 | if (t)
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| 61 | Charput((int)*s1);
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| 62 | }
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| 63 | for (s++; *s; s++) {
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| 64 | len++;
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| 65 | if (t)
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| 66 | Charput((int)*s);
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| 67 | }
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| 68 | }
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| 69 | return(len);
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| 70 | }
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| 71 |
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| 72 |
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| 73 | /*
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| 74 | * Charput(s) - put a character to output, subject to diversion
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| 75 | */
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| 76 |
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| 77 | void
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| 78 | Charput(c)
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| 79 | int c; /* character to put */
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| 80 | {
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| 81 | if (Divert == 0)
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| 82 | putchar((unsigned char)c);
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| 83 | }
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| 84 |
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| 85 |
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| 86 | /*
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| 87 | * Stringput(s) - put a string to output, subject to diversion
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| 88 | */
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| 89 |
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| 90 | void
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| 91 | Stringput(s)
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| 92 | unsigned char *s; /* string to put */
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| 93 | {
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| 94 | if (Divert == 0)
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| 95 | fputs((char *)s, stdout);
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| 96 | }
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